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Componentized digital signal processing

  • US 5,812,430 A
  • Filed: 06/02/1997
  • Issued: 09/22/1998
  • Est. Priority Date: 06/02/1997
  • Status: Expired due to Term
First Claim
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1. A method for generating optimized computer code for minimizing digital signal filter processing of time-based digital signals using predefined filters, said method comprising the steps of:

  • generating symbolic information for filters determined to have only procedural information, if low and high level filters are present, wherein filters are low level filters if they only include procedural information;

    generating a simplified equation of the relationship between filters based on generated or predefined symbolic information;

    retrieving procedural information for all high level filters with symbolic and procedural information;

    determining procedural information for all high level filters with symbolic information and without procedural information based upon prestored digital filters and a predetermined threshold;

    generating an optimized single filtering procedure from the retrieved or determined procedural information of the high level filters;

    generating an optimized single filtering procedure, if all the filters are determined as being low level filters; and

    generating computer code for minimizing digital signal filter processing of time-based digital signals based on the generated optimized single filtering procedure.

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